A beam of light is incident on a water surface of angle of incidence `60^(@)` and R.I. of water is 4/3. The ratio of width of incident wavefront to refracted wavefront is

An upolarized light beam is incident on a surface at an angle of incidence equal to Brewster's angle. Then,

An upolarized light beam is incident on a surface at an angle of incidence equal to Brewster's angle. Then,

A ray of light is incident on a medium of refractive index sqrt(2) at an angle of incidence of 45^(@) . The ratio of the width of the incident beam in air to that of the refracted beam in the medium is

A plane wavefront after being incident on a plane reflector at an angle of incidence i , reflects from it. Show that the incident wavefront and the reflected wavefront are inclined at an angle ( 180^(@) -2i) with each other.

A parallel beam of monochromatic light is incident on a glass slab at an angle of incidence 60^(@) . Find the ratio of width of the beam in the glass to that in the air if refractive index of glass is 3//2 .

A ray of light is incident on a rectangular plate at an angle of incidence 60^(@) . The light ray suffers a deviation which is 25% of the angle of incidence. The refractive index of the glass will be

A ray of light is incident on a rectangular plate at an angle of incidence 60^(@) . The light ray suffers a deviation which is 25% of the angle of incidence. The refractive index of the glass will be